Allis Chalmers Energy Inc. (ALY) [Rocket]

Ownership

Allis Chalmers Energy Inc. (ALY)

Portfolio as of:

Name	Shares	Change	Value	% Port	% OS	Hist	Date
KEELEY ASSET MANAGEMENT CORP	1,953,000	1,953,000	10,742,000	0.19		Hist	06/30/2010
Brevan Howard Asset Management LLP	1,482,000	82,000	5,246,000	1.62	2.08	Hist	03/31/2010
ALPINE ASSOCIATES ADVISORS	1,149,000	1,149,000	4,791,000	0.16		Hist	09/30/2010
Polygon Investment Partners LLP	591,199	232,936	4,191,000	8.50		Hist	12/31/2010
BRIGADE CAPITAL MANAGEMENT, LP	1,000,000	0	3,540,000	0.40	1.40	Hist	03/31/2010
ROYCE & ASSOCIATES LP	1,557,534	310,676	3,209,000	0.01		Hist	06/30/2010
State of New Jersey Common Pension Fund A	500,000	-750,000	2,085,000	0.01		Hist	09/30/2010
PERRITT CAPITAL MANAGEMENT INC	554,000	-200	1,141,000	0.27		Hist	06/30/2010
LOS ANGELES CAPITAL MANAGEMENT LLC	221,683	-91,530	924,000	0.02		Hist	09/30/2010
Gates Capital Management, Inc.	425,274	0	876,000	0.19		Hist	06/30/2010
OXFORD ASSET MANAGEMENT LLP	131,786	36,990	550,000	0.03		Hist	09/30/2010
FMR LLC	227,900	0	469,000	0.00		Hist	06/30/2010
STRAUS CAPITAL MANAGEMENT, L.L.C.	180,000	-35,000	371,000	0.21		Hist	06/30/2010
Brandywine Global Investment Management, LLC	101,660	-22,700	360,000	0.00	0.14	Hist	03/31/2010
AXA S.A.	86,156	-35,700	359,270	0.00		Hist	09/30/2010
New Jersey Better Educational Savings Trust	80,000	80,000	302,000	0.23	0.11	Hist	12/31/2009
WOLVERINE ASSET MANAGEMENT LLC	97,404	-97,404	200,000	0.01		Hist	06/30/2010
ING GROEP NV	50,560	14,500	177,000	0.00	0.07	Hist	12/31/2009
HIGHBRIDGE CAPITAL MANAGEMENT LLC	25,564	25,564	91,000	0.00	0.04	Hist	03/31/2010
Zebra Capital Management LLC	21,708	21,708	82,000	0.05	0.03	Hist	12/31/2009
ALLSTATE INSURANCE CO	13,020	13,020	49,000	0.00	0.02	Hist	12/31/2009
KNIGHT CAPITAL GROUP LLC	11,376	11,376	43,000	0.01	0.02	Hist	12/31/2009
RUSSELL FRANK CO/	17,800	17,800	37,000	0.00		Hist	06/30/2010
SG Americas Securities, LLC	16,317	-6,674	34,000	0.00		Hist	06/30/2010
MERRILL LYNCH GROUP, INC.	4,635	4,635	33,000	0.00	0.01	Hist	02/14/2011
SYSTEMATIC FINANCIAL MANAGEMENT LP	7,685	7,685	27,000	0.00	0.01	Hist	03/31/2010
Opus Trading Fund LLC	12,500	12,500	26,000	0.04		Hist	06/30/2010
HELU CARLOS SLIM	2,011	1	14,258			Hist	12/31/2010
FIRST QUADRANT LLC/CA	3,600	0	14,000	0.00	0.01	Hist	12/31/2009
CTC Fund Management LLC	5,700	5,700	12,000	0.01		Hist	06/30/2010
Financial Architects, Inc	200	0	1,000	0.00	0.00	Hist	03/31/2010
Johnson Financial Group, Inc.	40	0	82	0.00		Hist	06/30/2010